Home / 409,342,296-890,405,430

Finding the Third Proportional to 409,342,296 and 890,405,430

Calculator

Solution

The third proportional to 409,342,296 and 890,405,430 is: 1,936,818,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,342,296 : 890,405,430 = 890,405,430 : x
  2. Step 2: Convert to fraction form
    409,342,296/890,405,430 = 890,405,430/x
  3. Step 3: Cross multiply
    409,342,296x = 890,405,430 × 890,405,430
  4. Step 4: Simplify right side
    409,342,296x = 792,821,829,773,484,928
  5. Step 5: Solve for x
    x = 792,821,829,773,484,928/409,342,296
  6. Step 6: Final answer
    x = 1,936,818,739.53

Related Problems

Find third proportional to 204,671,148 and 445,202,715
Half scale
Find third proportional to 818,684,592 and 1,780,810,860
Double scale
Find third proportional to 409,342,298 and 890,405,434
Similar ratio
Find third proportional to 614,013,444 and 1,335,608,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.